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Pass x1 and x2 to Prep(L)Wall as params

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This commit is contained in:
Randy Heit 2014-07-31 20:32:21 -05:00
parent fc63e9db3c
commit b0b9c57e85
1 changed files with 20 additions and 24 deletions
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44
src/r_segs.cpp
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@ -86,8 +86,8 @@ fixed_t rw_offset_top;
fixed_t rw_offset_mid; fixed_t rw_offset_mid;
fixed_t rw_offset_bottom; fixed_t rw_offset_bottom;
void PrepWall (fixed_t *swall, fixed_t *lwall, fixed_t walxrepeat); void PrepWall (fixed_t *swall, fixed_t *lwall, fixed_t walxrepeat, int x1, int x2);
void PrepLWall (fixed_t *lwall, fixed_t walxrepeat); void PrepLWall (fixed_t *lwall, fixed_t walxrepeat, int x1, int x2);
extern FWallCoords WallC; extern FWallCoords WallC;
extern FWallTmapVals WallT; extern FWallTmapVals WallT;
@ -621,7 +621,7 @@ void R_RenderFakeWall(drawseg_t *ds, int x1, int x2, F3DFloor *rover)
walllower[i] = mfloorclip[i]; walllower[i] = mfloorclip[i];
} }
PrepLWall (lwall, curline->sidedef->TexelLength*xscale); PrepLWall (lwall, curline->sidedef->TexelLength*xscale, ds->sx1, ds->sx2);
wallscan_np2_ds(ds, x1, x2, wallupper, walllower, MaskedSWall, lwall, yscale); wallscan_np2_ds(ds, x1, x2, wallupper, walllower, MaskedSWall, lwall, yscale);
R_FinishSetPatchStyle(); R_FinishSetPatchStyle();
} }
@ -1831,7 +1831,7 @@ void R_RenderSegLoop ()
yscale = FixedMul(rw_pic->yScale, rw_midtexturescaley); yscale = FixedMul(rw_pic->yScale, rw_midtexturescaley);
if (xscale != lwallscale) if (xscale != lwallscale)
{ {
PrepLWall (lwall, curline->sidedef->TexelLength*xscale); PrepLWall (lwall, curline->sidedef->TexelLength*xscale, WallC.SX1, WallC.SX2);
lwallscale = xscale; lwallscale = xscale;
} }
if (midtexture->bWorldPanning) if (midtexture->bWorldPanning)
@ -1874,7 +1874,7 @@ void R_RenderSegLoop ()
yscale = FixedMul(rw_pic->yScale, rw_toptexturescaley); yscale = FixedMul(rw_pic->yScale, rw_toptexturescaley);
if (xscale != lwallscale) if (xscale != lwallscale)
{ {
PrepLWall (lwall, curline->sidedef->TexelLength*xscale); PrepLWall (lwall, curline->sidedef->TexelLength*xscale, WallC.SX1, WallC.SX2);
lwallscale = xscale; lwallscale = xscale;
} }
if (toptexture->bWorldPanning) if (toptexture->bWorldPanning)
@ -1920,7 +1920,7 @@ void R_RenderSegLoop ()
yscale = FixedMul(rw_pic->yScale, rw_bottomtexturescaley); yscale = FixedMul(rw_pic->yScale, rw_bottomtexturescaley);
if (xscale != lwallscale) if (xscale != lwallscale)
{ {
PrepLWall (lwall, curline->sidedef->TexelLength*xscale); PrepLWall (lwall, curline->sidedef->TexelLength*xscale, WallC.SX1, WallC.SX2);
lwallscale = xscale; lwallscale = xscale;
} }
if (bottomtexture->bWorldPanning) if (bottomtexture->bWorldPanning)
@ -2265,7 +2265,7 @@ void R_NewWall (bool needlights)
bottomtexture ? FixedMul(bottomtexture->xScale, sidedef->GetTextureXScale(side_t::bottom)) : bottomtexture ? FixedMul(bottomtexture->xScale, sidedef->GetTextureXScale(side_t::bottom)) :
FRACUNIT; FRACUNIT;
PrepWall (swall, lwall, sidedef->TexelLength * lwallscale); PrepWall (swall, lwall, sidedef->TexelLength * lwallscale, WallC.SX1, WallC.SX2);
if (fixedcolormap == NULL && fixedlightlev < 0) if (fixedcolormap == NULL && fixedlightlev < 0)
{ {
@ -2864,16 +2864,16 @@ int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
return bad; return bad;
} }
static void PrepWallRoundFix(fixed_t *lwall, fixed_t walxrepeat) static void PrepWallRoundFix(fixed_t *lwall, fixed_t walxrepeat, int x1, int x2)
{ {
// fix for rounding errors // fix for rounding errors
walxrepeat = abs(walxrepeat); walxrepeat = abs(walxrepeat);
fixed_t fix = (MirrorFlags & RF_XFLIP) ? walxrepeat-1 : 0; fixed_t fix = (MirrorFlags & RF_XFLIP) ? walxrepeat-1 : 0;
int x; int x;
if (WallC.SX1 > 0) if (x1 > 0)
{ {
for (x = WallC.SX1; x < WallC.SX2; x++) for (x = x1; x < x2; x++)
{ {
if ((unsigned)lwall[x] >= (unsigned)walxrepeat) if ((unsigned)lwall[x] >= (unsigned)walxrepeat)
{ {
@ -2886,7 +2886,7 @@ static void PrepWallRoundFix(fixed_t *lwall, fixed_t walxrepeat)
} }
} }
fix = walxrepeat - 1 - fix; fix = walxrepeat - 1 - fix;
for (x = WallC.SX2-1; x >= WallC.SX1; x--) for (x = x2-1; x >= x1; x--)
{ {
if ((unsigned)lwall[x] >= (unsigned)walxrepeat) if ((unsigned)lwall[x] >= (unsigned)walxrepeat)
{ {
@ -2899,16 +2899,16 @@ static void PrepWallRoundFix(fixed_t *lwall, fixed_t walxrepeat)
} }
} }
void PrepWall (fixed_t *swall, fixed_t *lwall, fixed_t walxrepeat) void PrepWall (fixed_t *swall, fixed_t *lwall, fixed_t walxrepeat, int x1, int x2)
{ // swall = scale, lwall = texturecolumn { // swall = scale, lwall = texturecolumn
double top, bot, i; double top, bot, i;
double xrepeat = fabs((double)walxrepeat); double xrepeat = fabs((double)walxrepeat);
i = WallC.SX1 - centerx; i = x1 - centerx;
top = WallT.UoverZorg + WallT.UoverZstep * i; top = WallT.UoverZorg + WallT.UoverZstep * i;
bot = WallT.InvZorg + WallT.InvZstep * i; bot = WallT.InvZorg + WallT.InvZstep * i;
for (int x = WallC.SX1; x < WallC.SX2; x++) for (int x = x1; x < x2; x++)
{ {
double frac = top / bot; double frac = top / bot;
if (walxrepeat < 0) if (walxrepeat < 0)
@ -2923,23 +2923,23 @@ void PrepWall (fixed_t *swall, fixed_t *lwall, fixed_t walxrepeat)
top += WallT.UoverZstep; top += WallT.UoverZstep;
bot += WallT.InvZstep; bot += WallT.InvZstep;
} }
PrepWallRoundFix(lwall, walxrepeat); PrepWallRoundFix(lwall, walxrepeat, x1, x2);
} }
void PrepLWall (fixed_t *lwall, fixed_t walxrepeat) void PrepLWall (fixed_t *lwall, fixed_t walxrepeat, int x1, int x2)
{ // lwall = texturecolumn { // lwall = texturecolumn
double top, bot, i; double top, bot, i;
double xrepeat = fabs((double)walxrepeat); double xrepeat = fabs((double)walxrepeat);
double topstep; double topstep;
i = WallC.SX1 - centerx; i = x1 - centerx;
top = WallT.UoverZorg + WallT.UoverZstep * i; top = WallT.UoverZorg + WallT.UoverZstep * i;
bot = WallT.InvZorg + WallT.InvZstep * i; bot = WallT.InvZorg + WallT.InvZstep * i;
top *= xrepeat; top *= xrepeat;
topstep = WallT.UoverZstep * xrepeat; topstep = WallT.UoverZstep * xrepeat;
for (int x = WallC.SX1; x < WallC.SX2; x++) for (int x = x1; x < x2; x++)
{ {
if (walxrepeat < 0) if (walxrepeat < 0)
{ {
@ -2952,7 +2952,7 @@ void PrepLWall (fixed_t *lwall, fixed_t walxrepeat)
top += topstep; top += topstep;
bot += WallT.InvZstep; bot += WallT.InvZstep;
} }
PrepWallRoundFix(lwall, walxrepeat); PrepWallRoundFix(lwall, walxrepeat, x1, x2);
} }
// pass = 0: when seg is first drawn // pass = 0: when seg is first drawn
@ -3190,11 +3190,7 @@ static void R_RenderDecal (side_t *wall, DBaseDecal *decal, drawseg_t *clipper,
goto done; goto done;
} }
swapvalues (x1, WallC.SX1); PrepWall (swall, lwall, WallSpriteTile->GetWidth() << FRACBITS, x1, x2);
swapvalues (x2, WallC.SX2);
PrepWall (swall, lwall, WallSpriteTile->GetWidth() << FRACBITS);
swapvalues (x1, WallC.SX1);
swapvalues (x2, WallC.SX2);
if (flipx) if (flipx)
{ {